Mark Hall, Director for International Development at 3D Institute and 3Dimensional Coaching, curator of coach training programs, consultant to high school coaching staffs in Wisconsin and Minnesota, coach at the U.S. National Wrestling Team's Olympic Training Centers in Colorado Springs and Lake Placid. Mark Hall has conducted 3D seminars in 61 countries on six continents.

On May 16, 2019, during the III International Scientific and Practical Conference “Health, Physical Education and Sports: Prospects and Best Practices”, held by the Faculty of Health, Physical Education and Sports, Mark Hall held a master class on “Creating an Attitude for Professional Growth”.